diff options
Diffstat (limited to 'lib/libc/string/memchr.c')
-rw-r--r-- | lib/libc/string/memchr.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/libc/string/memchr.c b/lib/libc/string/memchr.c new file mode 100644 index 0000000..9da3265 --- /dev/null +++ b/lib/libc/string/memchr.c @@ -0,0 +1,11 @@ +#include <string.h> + +void *memchr(const void *s, int c, size_t n) { + const char *p = s; + while (n--) { + if ((char)c == *p++) { + return (void*)(p-1); + } + } + return NULL; +} |